127957480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{456991}}^1$

素因数の和:457009

約数の個数: 32

約数和(自身を含む): 329034240

約数和(自身を除く): 201076760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 456991, 913982, 1827964, 2284955, 3198937, 3655928, 4569910, 6397874, 9139820, 12795748, 15994685, 18279640, 25591496, 31989370, 63978740, 127957480]

約数ペア:

[(1, 127957480), (2, 63978740), (4, 31989370), (5, 25591496), (7, 18279640), (8, 15994685), (10, 12795748), (14, 9139820), (20, 6397874), (28, 4569910), (35, 3655928), (40, 3198937), (56, 2284955), (70, 1827964), (140, 913982), (280, 456991)]